An environmental scientist with experience in disaster mitigation, Fr Pedro Walpole (PHI) talks about founding Environmental Sustainability for Social Change, a group using scientific data on the environment to advocate for changes aimed at making poor communities less susceptible to natural disaster. He also talks about his experiences working in an area wracked by conflict. The two-part video was recorded at the Jesuit Social Services All Staff Day, 12 December 2009. View Part 1. Part II.